Cita APA (7th ed.)

Horton, R. L. (1975). Programmed learning aid for social problems: Coordinating Roger H. Hermanson. Learning Systems Co.

Cita Chicago (17th ed.)

Horton, Robert L. Programmed Learning Aid for Social Problems: Coordinating Roger H. Hermanson. Homewood, Ill: Learning Systems Co, 1975.

Cita MLA (9th ed.)

Horton, Robert L. Programmed Learning Aid for Social Problems: Coordinating Roger H. Hermanson. Learning Systems Co, 1975.